040000 tree af25cbf9f5ad4b1b7577a517ef48eaff3f435a0c	base
040000 tree 49fbc9dba0ac3e6baa508889fa497b58c8017ff3	cache
040000 tree 498f839901f9b2bcf02582da0d73a69863a8840a	collect
040000 tree d35b029e1e985449dec13669ef5056fb471fab31	io
040000 tree e602b97526e59a0df71bb05dd15f7723a3d73b38	math
040000 tree 27deda2088cefdacbffb2ca306b4acaf285cd987	net
040000 tree 0ab6d0880aa78079ee3f035dab0441a8dbaacb77	primitives
040000 tree 60df9e27d4e2dea3f15d625031caec2b8e7ae1c0	testing
040000 tree b65a4523beb6a3378314c1e17eb10627ca6d51c1	util